EP1834367A4 - Membrane microporeuse traitee en surface et dispositif electrochimique preparee avec cette membrane - Google Patents

Membrane microporeuse traitee en surface et dispositif electrochimique preparee avec cette membrane

Info

Publication number
EP1834367A4
EP1834367A4 EP05821422A EP05821422A EP1834367A4 EP 1834367 A4 EP1834367 A4 EP 1834367A4 EP 05821422 A EP05821422 A EP 05821422A EP 05821422 A EP05821422 A EP 05821422A EP 1834367 A4 EP1834367 A4 EP 1834367A4
Authority
EP
European Patent Office
Prior art keywords
microporous membrane
electrochemical device
device prepared
treated microporous
treated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP05821422A
Other languages
German (de)
English (en)
Other versions
EP1834367B1 (fr
EP1834367A1 (fr
Inventor
Seok-Koo Kim
Sang-Young Lee
Soon-Ho Ahn
Jung-Don Suk
Hyun-Hang Yong
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toray Industries Inc
LG Corp
Original Assignee
LG Chemical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Chemical Co Ltd filed Critical LG Chemical Co Ltd
Priority to EP12182787.7A priority Critical patent/EP2544260B1/fr
Publication of EP1834367A1 publication Critical patent/EP1834367A1/fr
Publication of EP1834367A4 publication Critical patent/EP1834367A4/fr
Application granted granted Critical
Publication of EP1834367B1 publication Critical patent/EP1834367B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/446—Composite material consisting of a mixture of organic and inorganic materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/411—Organic material
    • H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/431—Inorganic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/443—Particulate material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
    • H01M50/491—Porosity
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/44—Fibrous material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/46—Separators, membranes or diaphragms characterised by their combination with electrodes
    • H01M50/461—Separators, membranes or diaphragms characterised by their combination with electrodes with adhesive layers between electrodes and separators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Cell Separators (AREA)
  • Laminated Bodies (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Electric Double-Layer Capacitors Or The Like (AREA)
EP05821422.2A 2004-12-07 2005-12-07 Membrane microporeuse traitee en surface et dispositif electrochimique preparee avec cette membrane Expired - Lifetime EP1834367B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12182787.7A EP2544260B1 (fr) 2004-12-07 2005-12-07 Membrane microporeuse traitée en surface et dispositif électrochimique ainsi préparé

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20040102535 2004-12-07
PCT/KR2005/004174 WO2006062349A1 (fr) 2004-12-07 2005-12-07 Membrane microporeuse traitee en surface et dispositif electrochimique preparee avec cette membrane

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP12182787.7A Division EP2544260B1 (fr) 2004-12-07 2005-12-07 Membrane microporeuse traitée en surface et dispositif électrochimique ainsi préparé
EP12182787.7A Division-Into EP2544260B1 (fr) 2004-12-07 2005-12-07 Membrane microporeuse traitée en surface et dispositif électrochimique ainsi préparé

Publications (3)

Publication Number Publication Date
EP1834367A1 EP1834367A1 (fr) 2007-09-19
EP1834367A4 true EP1834367A4 (fr) 2010-03-24
EP1834367B1 EP1834367B1 (fr) 2017-09-27

Family

ID=36578135

Family Applications (2)

Application Number Title Priority Date Filing Date
EP05821422.2A Expired - Lifetime EP1834367B1 (fr) 2004-12-07 2005-12-07 Membrane microporeuse traitee en surface et dispositif electrochimique preparee avec cette membrane
EP12182787.7A Expired - Lifetime EP2544260B1 (fr) 2004-12-07 2005-12-07 Membrane microporeuse traitée en surface et dispositif électrochimique ainsi préparé

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP12182787.7A Expired - Lifetime EP2544260B1 (fr) 2004-12-07 2005-12-07 Membrane microporeuse traitée en surface et dispositif électrochimique ainsi préparé

Country Status (10)

Country Link
US (1) US8841031B2 (fr)
EP (2) EP1834367B1 (fr)
JP (1) JP4885144B2 (fr)
KR (1) KR100758482B1 (fr)
CN (1) CN100524896C (fr)
BR (1) BRPI0517156B1 (fr)
CA (1) CA2589104C (fr)
RU (1) RU2339120C1 (fr)
TW (1) TWI310253B (fr)
WO (1) WO2006062349A1 (fr)

Families Citing this family (80)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2537534T3 (es) 2003-09-18 2015-06-09 Commonwealth Scientific And Industrial Research Organisation Dispositivos de almacenamiento de energía de alto rendimiento
EP1784876B1 (fr) 2004-09-02 2018-01-24 LG Chem, Ltd. Film poreux composite organique/mineral et dispositif electrochimique prepare au moyen de ce film
KR100775310B1 (ko) * 2004-12-22 2007-11-08 주식회사 엘지화학 유/무기 복합 다공성 분리막 및 이를 이용한 전기 화학소자
KR100893227B1 (ko) * 2006-07-28 2009-04-16 주식회사 엘지화학 고온 저장 성능을 개선하는 음극 및 이를 포함하는 리튬이차 전지
CA2669526C (fr) * 2006-11-16 2013-05-21 Neomax Materials Co., Ltd. Separateur de pile a combustible et son procede de production
AR064292A1 (es) 2006-12-12 2009-03-25 Commw Scient Ind Res Org Dispositivo mejorado para almacenamiento de energia
KR100754746B1 (ko) * 2007-03-07 2007-09-03 주식회사 엘지화학 다공성 활성층이 코팅된 유기/무기 복합 분리막 및 이를구비한 전기화학소자
AR067238A1 (es) 2007-03-20 2009-10-07 Commw Scient Ind Res Org Dispositivos optimizados para el almacenamiento de energia
KR100966024B1 (ko) 2007-04-24 2010-06-24 주식회사 엘지화학 이종의 세퍼레이터를 구비한 전기화학소자
US8377583B2 (en) 2008-01-30 2013-02-19 Lg Chem, Ltd. Separator for providing a uniting force to electrode and electrochemical cell containing the same
HUE042537T2 (hu) * 2008-03-31 2019-07-29 Zeon Corp Porózus film és másodlagos akkumulátor elektróda
WO2010016476A1 (fr) * 2008-08-05 2010-02-11 日本ゼオン株式会社 Electrode pour batterie secondaire lithium-ion
KR20110063437A (ko) * 2008-08-29 2011-06-10 제온 코포레이션 다공막, 2 차 전지 전극 및 리튬 이온 2 차 전지
WO2010122873A1 (fr) 2009-04-23 2010-10-28 古河電池株式会社 Processus destiné à produire une plaque négative pour batterie de stockage au plomb, et batterie de stockage au plomb
JP5797384B2 (ja) 2009-08-27 2015-10-21 古河電池株式会社 鉛蓄電池用複合キャパシタ負極板及び鉛蓄電池
CN102725883B (zh) 2009-08-27 2015-08-26 联邦科学和工业研究组织 电存储装置及其电极
JP5711483B2 (ja) 2009-08-27 2015-04-30 古河電池株式会社 鉛蓄電池用複合キャパシタ負極板の製造法及び鉛蓄電池
WO2011040704A2 (fr) * 2009-09-29 2011-04-07 주식회사 엘지화학 Procédé de fabrication de séparateur, séparateur ainsi fabriqué et procédé de fabrication de dispositif électrochimique comportant le séparateur
JP5462016B2 (ja) * 2010-02-08 2014-04-02 日本エイアンドエル株式会社 二次電池耐熱保護層用バインダーおよび耐熱保護層用組成物
KR101187767B1 (ko) 2010-03-17 2012-10-05 주식회사 엘지화학 세퍼레이터 및 이를 구비한 전기화학소자
DE102010030197A1 (de) * 2010-06-17 2011-12-22 Sb Limotive Company Ltd. Lithium-Ionen-Zelle
TWI491096B (zh) 2010-12-06 2015-07-01 Ind Tech Res Inst 多層電池隔離膜及其製造方法
JP2012133959A (ja) 2010-12-21 2012-07-12 Furukawa Battery Co Ltd:The 鉛蓄電池用複合キャパシタ負極板及び鉛蓄電池
WO2012111956A2 (fr) * 2011-02-15 2012-08-23 주식회사 엘지화학 Séparateur, son procédé de préparation et dispositif électrochimique le comprenant
KR101254693B1 (ko) * 2011-02-15 2013-04-15 주식회사 엘지화학 세퍼레이터, 그 제조방법 및 이를 구비한 전기화학소자
JP5790088B2 (ja) * 2011-03-31 2015-10-07 日産自動車株式会社 燃料電池セル
US8916283B2 (en) * 2011-04-05 2014-12-23 Shin-Etsu Chemical Co., Ltd. Binder for separator of non-aqueous electrolyte battery comprising 2-cyanoethyl group-containing polymer and separator and battery using the same
US9276247B2 (en) 2011-04-06 2016-03-01 Lg Chem, Ltd. Separator and electrochemical device comprising the same
KR101281037B1 (ko) * 2011-04-06 2013-07-09 주식회사 엘지화학 세퍼레이터 및 이를 구비하는 전기화학소자
CN102280605B (zh) * 2011-04-18 2013-10-30 成都中科来方能源科技有限公司 具有热胀融合关闭效应的锂离子电池隔膜及其制备方法
KR101358761B1 (ko) 2011-05-03 2014-02-07 주식회사 엘지화학 다공성 코팅층을 구비한 세퍼레이터 및 이를 구비한 전기화학소자
JP2013530510A (ja) 2011-06-09 2013-07-25 エルジー ケム． エルティーディ． 電極組立体およびこれを含むリチウム二次電池
CN102251267B (zh) * 2011-07-04 2013-01-23 西北有色金属研究院 一种NiO多孔薄膜的制备方法
JP2013051180A (ja) * 2011-08-31 2013-03-14 Dexerials Corp 電池用セパレータシート及び電池
WO2013047856A1 (fr) * 2011-09-26 2013-04-04 住友化学株式会社 Composition de résine adhésive pour batterie secondaire
KR20130048843A (ko) 2011-11-03 2013-05-13 에스케이이노베이션 주식회사 내열성 및 안정성이 우수한 폴리올레핀계 복합 미세다공막 및 이를 제조하는 방법
KR101369326B1 (ko) * 2011-12-27 2014-03-04 주식회사 엘지화학 세퍼레이터의 제조방법 및 이에 따라 제조된 세퍼레이터를 구비한 전기화학소자
CN102544576A (zh) * 2012-02-21 2012-07-04 东莞新能源科技有限公司 一种锂离子电池
KR101488918B1 (ko) * 2012-02-29 2015-02-03 제일모직 주식회사 밀도가 조절된 코팅층을 포함하는 분리막 및 이를 이용한 전지
KR101488917B1 (ko) * 2012-02-29 2015-02-03 제일모직 주식회사 유기 및 무기 혼합물 코팅층을 포함하는 분리막 및 이를 이용한 전지
PL2903055T3 (pl) * 2012-09-28 2018-04-30 Zeon Corporation Porowaty separator membranowy do baterii wtórnej, sposób jego wytwarzania oraz bateria wtórna
KR101535199B1 (ko) * 2012-11-30 2015-07-09 주식회사 엘지화학 개선된 분산성을 갖는 슬러리 및 그의 용도
KR101674917B1 (ko) * 2012-12-03 2016-11-10 주식회사 엘지화학 다공성 폴리올레핀 분리막의 제조방법, 다공성 폴리올레핀 분리막 및 이를 포함하는 리튬 이차전지
CN103078076B (zh) * 2013-01-11 2015-08-26 宁波晶一新材料科技有限公司 复合隔离膜及使用此隔离膜的锂离子电池
DE102013200707A1 (de) * 2013-01-18 2014-07-24 Robert Bosch Gmbh Galvanisches Element mit verbessertem Sicherheitseigenschaften
DE102013200848A1 (de) * 2013-01-21 2014-07-24 Robert Bosch Gmbh Sicherheitsverbessertes galvanisches Element
KR101567675B1 (ko) * 2013-02-15 2015-11-10 주식회사 엘지화학 전극조립체 및 이를 포함하는 폴리머 이차전지 셀
US10090553B2 (en) 2013-02-15 2018-10-02 Lg Chem, Ltd. Electrode assembly and method of manufacturing the same
KR101595643B1 (ko) 2013-02-15 2016-02-18 주식회사 엘지화학 전극조립체 및 이를 포함하는 폴리머 이차전지 셀
KR102209823B1 (ko) * 2013-04-16 2021-01-29 삼성에스디아이 주식회사 세퍼레이터 및 이를 채용한 리튬전지
KR102210881B1 (ko) * 2013-04-16 2021-02-03 삼성에스디아이 주식회사 세퍼레이터 및 이를 채용한 리튬전지
KR20150001148A (ko) * 2013-06-26 2015-01-06 제일모직주식회사 코팅층을 포함하는 분리막 및 상기 분리막을 이용한 전지
KR101621410B1 (ko) 2013-09-11 2016-05-16 주식회사 엘지화학 리튬 전극 및 그를 포함하는 리튬 이차전지
DE102013016560A1 (de) * 2013-09-27 2015-04-02 Heide Biollaz Wiederaufladbare elektrochemische Batteriezelle
KR102154327B1 (ko) * 2013-12-16 2020-09-09 삼성에스디아이 주식회사 이차전지용 전극 조립체 최외각 테이프 및 이를 포함하는 이차전지
KR101707193B1 (ko) * 2014-04-01 2017-02-27 주식회사 엘지화학 세퍼레이터의 제조방법, 이로부터 형성된 세퍼레이터 및 이를 포함하는 전기화학소자
CN111668430A (zh) * 2014-05-13 2020-09-15 赛尔格有限责任公司 功能化的多孔膜及其制造和使用方法
KR102246767B1 (ko) 2014-08-13 2021-04-30 삼성에스디아이 주식회사 리튬이차전지용 세퍼레이터, 이를 채용한 리튬이차전지 및 그 제조방법
KR101674988B1 (ko) * 2014-10-23 2016-11-11 삼성에스디아이 주식회사 분리막의 제조 방법과 그 분리막 및 이를 이용한 전지
KR101715229B1 (ko) * 2014-12-24 2017-03-22 국민대학교산학협력단 친수성 분리막의 소수성화 표면 개질 방법 및 이를 통하여 제조되는 소수성 분리막
KR101601168B1 (ko) 2015-03-06 2016-03-09 주식회사 아모그린텍 셧다운 기능을 갖는 복합 다공성 분리막 및 이를 이용한 이차전지
KR20160120509A (ko) * 2015-04-08 2016-10-18 주식회사 엘지화학 안전성이 향상된 스택-폴딩형 전극조립체 및 이를 포함하는 리튬이차전지
CN105932196A (zh) * 2016-05-04 2016-09-07 合肥国轩高科动力能源有限公司 一种使用丁苯橡胶涂覆的锂离子电池陶瓷隔膜的制备方法及陶瓷隔膜
US11245158B2 (en) 2016-06-08 2022-02-08 Lg Energy Solution, Ltd. Separator and electrochemical device including the same
US20190168170A1 (en) * 2016-07-27 2019-06-06 University Of Tennessee Research Foundation Anion exchange membrane with hydrophilic moieties
CN107272261A (zh) * 2017-07-28 2017-10-20 张家港康得新光电材料有限公司 一种扩散膜及其制备方法
CN110832672B (zh) * 2017-10-20 2023-05-05 株式会社Lg新能源 隔板以及包括该隔板的电化学装置
WO2019103947A2 (fr) * 2017-11-21 2019-05-31 Asahi Kasei Kabushiki Kaisha Séparateur pour dispositif de stockage électrique
WO2019135640A1 (fr) 2018-01-04 2019-07-11 주식회사 엘지화학 Batterie secondaire comprenant une languette d'électrode comprenant une couche de revêtement isolant
RU186905U1 (ru) * 2018-05-30 2019-02-08 Федеральное государственное бюджетное образовательное учреждение высшего образования "Саратовский национальный исследовательский государственный университет имени Н.Г. Чернышевского" Герметичный свинцово-кислотный аккумулятор
CN111697184B (zh) * 2019-03-15 2022-05-31 华为技术有限公司 一种锂离子电池隔膜及其制备方法和锂离子电池
CN110444719A (zh) * 2019-08-13 2019-11-12 四川轻化工大学 一种高强度复合锂离子电池隔膜
CN112448023B (zh) * 2019-08-28 2022-02-18 宁德时代新能源科技股份有限公司 固态电解质膜片及固态锂金属电池
KR102764920B1 (ko) * 2019-10-18 2025-02-06 주식회사 엘지에너지솔루션 전기화학소자용 분리막, 상기 분리막을 포함하는 전기화학소자 및 상기 분리막의 제조방법
CN111422944A (zh) * 2020-05-19 2020-07-17 佛山科学技术学院 一种多层薄膜材料
CN112038544B (zh) * 2020-09-28 2022-03-11 合肥国轩高科动力能源有限公司 一种锂离子电池隔膜及其制备方法
RU2756355C1 (ru) * 2020-11-05 2021-09-29 Федеральное государственное унитарное предприятие «Всероссийский научно-исследовательский институт автоматики им.Н.Л.Духова» (ФГУП «ВНИИА») Способ нанесения тонкопленочного покрытия на основе полиакрилонитрила
EP4207467A4 (fr) * 2020-12-09 2024-11-27 Ningde Amperex Technology Ltd. Liant polymère, membrane poreuse stratifiée, batterie et appareil électronique
TWI872298B (zh) * 2021-12-06 2025-02-11 亞福儲能股份有限公司 集流體保護膠
CN119325666A (zh) * 2023-02-13 2025-01-17 宁德时代新能源科技股份有限公司 隔离膜、其制备方法及其相关的二次电池和用电装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000036670A1 (fr) * 1998-12-17 2000-06-22 Moltech Corporation Revetement de protection de separateurs pour cellules electrochimiques
KR20030034427A (ko) * 2001-10-23 2003-05-09 삼성에스디아이 주식회사 극판, 이를 채용한 리튬전지 및 극판 제조방법
WO2003065481A1 (fr) * 2002-01-29 2003-08-07 Newturn Energy Co., Ltd. Cellule electrochimique et procede de fabrication associe

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3767607A (en) * 1971-08-31 1973-10-23 Continental Can Co Rubber sealant composition
SU942191A1 (ru) * 1979-02-26 1982-07-07 Предприятие П/Я А-3170 Способ изготовлени ребристых сепараторов
RU2025001C1 (ru) * 1992-07-08 1994-12-15 Опытный завод Научно-исследовательского проектно-конструкторского и технологического института химических источников тока Способ изготовления термочувствительного сепаратора для литьевого химического источника тока
RU2107360C1 (ru) * 1993-03-04 1998-03-20 Асахи Касеи Когио Кабусики Кайся Аккумуляторная батарея
CA2226366C (fr) * 1995-08-28 2002-05-21 Asahi Kasei Kogyo Kabushiki Kaisha Nouvelle pile et methode de production
US5728482B1 (en) * 1995-12-22 1999-11-09 Canon Kk Secondary battery and method for manufacturing the same
JPH1180395A (ja) 1997-09-09 1999-03-26 Nitto Denko Corp 多孔質膜および非水電解液電池用セパレータ
JP2000208123A (ja) * 1999-01-19 2000-07-28 Nippon Muki Co Ltd 非水電解液電池用セパレ―タ
TW439309B (en) * 1999-01-22 2001-06-07 Toshiba Corp Nonaquous electrolyte secondary battery
JP4177929B2 (ja) * 1999-03-04 2008-11-05 日東電工株式会社 多孔質フィルム及びその製造方法
WO2000079618A1 (fr) 1999-06-22 2000-12-28 Mitsubishi Denki Kabushiki Kaisha Separateur de cellule, cellule, et procede de production dudit separateur
US6432586B1 (en) * 2000-04-10 2002-08-13 Celgard Inc. Separator for a high energy rechargeable lithium battery
KR100362280B1 (ko) 2000-04-11 2002-11-23 삼성에스디아이 주식회사 리튬 2차 전지의 세퍼레이타 및 그 제조방법
KR100406690B1 (ko) * 2001-03-05 2003-11-21 주식회사 엘지화학 다성분계 복합 필름을 이용한 전기화학소자
JP4365098B2 (ja) 2001-03-27 2009-11-18 シャープ株式会社 リチウムポリマー二次電池およびその製造方法
TW499775B (en) 2001-04-18 2002-08-21 E One Moli Energy Corp Secondary lithium battery device
US6998193B2 (en) * 2001-12-28 2006-02-14 Policell Technologies, Inc. Microporous membrane and its uses thereof
KR20030065089A (ko) * 2002-01-29 2003-08-06 주식회사 뉴턴에너지 섬유상의 격리막 및 이를 포함하는 에너지 저장 장치
DE10255121B4 (de) * 2002-11-26 2017-09-14 Evonik Degussa Gmbh Separator mit asymmetrischem Porengefüge für eine elektrochemische Zelle
JP3983656B2 (ja) 2002-12-12 2007-09-26 日東電工株式会社 非水電解液電池用セパレータ
JP4792688B2 (ja) 2003-01-24 2011-10-12 住友化学株式会社 非水電解液二次電池用セパレータの製造方法
JP2004273282A (ja) * 2003-03-10 2004-09-30 Mitsubishi Electric Corp 電池の製造方法
KR100542213B1 (ko) * 2003-10-31 2006-01-10 삼성에스디아이 주식회사 리튬 금속 전지용 음극 및 이를 포함하는 리튬 금속 전지
KR100958651B1 (ko) * 2004-01-17 2010-05-20 삼성에스디아이 주식회사 리튬이차전지용 애노드 및 이를 이용한 리튬이차전지
KR100790280B1 (ko) * 2004-03-30 2008-01-02 마쯔시다덴기산교 가부시키가이샤 비수전해액 2차 전지

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000036670A1 (fr) * 1998-12-17 2000-06-22 Moltech Corporation Revetement de protection de separateurs pour cellules electrochimiques
KR20030034427A (ko) * 2001-10-23 2003-05-09 삼성에스디아이 주식회사 극판, 이를 채용한 리튬전지 및 극판 제조방법
WO2003065481A1 (fr) * 2002-01-29 2003-08-07 Newturn Energy Co., Ltd. Cellule electrochimique et procede de fabrication associe

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2006062349A1 *

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CN100524896C (zh) 2009-08-05
CA2589104C (fr) 2011-09-13
EP2544260B1 (fr) 2017-08-16
KR20060063751A (ko) 2006-06-12
RU2339120C1 (ru) 2008-11-20
JP2008521964A (ja) 2008-06-26
EP2544260A2 (fr) 2013-01-09
BRPI0517156B1 (pt) 2019-08-06
US20090291360A1 (en) 2009-11-26
CA2589104A1 (fr) 2006-06-15
WO2006062349A1 (fr) 2006-06-15
EP1834367B1 (fr) 2017-09-27
JP4885144B2 (ja) 2012-02-29
BRPI0517156A8 (pt) 2017-10-31
TW200635106A (en) 2006-10-01
CN101073169A (zh) 2007-11-14
KR100758482B1 (ko) 2007-09-12
TWI310253B (en) 2009-05-21
EP2544260A3 (fr) 2013-10-09
US8841031B2 (en) 2014-09-23
EP1834367A1 (fr) 2007-09-19

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